<!DOCTYPE HTML>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS clip-path reference</title>
    <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com">
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <style type="text/css">
      div.foreground {
        position: absolute;
        background-color: rgb(0,0,255);
        z-index: 100;
        width: 50px;
        height: 50px;
      }

      div.background {
        position: absolute;
        background-color: rgb(0,255,255);
        width: 100px;
        height: 100px;
      }
    </style>
  </head>
  <body>
    <div class="foreground"></div>
    <div class="background"></div>
  </body>
</html>
